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7.77*6+1.11*58 巧算
7.77*6+1.11*58
人气:448 ℃ 时间:2020-01-29 19:16:09
解答
7.77x6+1.11x58
=1.11x42+1.11x58
=1.11x(42+58)
=1.11x100
=111
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